[在线考核] Chomsky 定义的四种形式语言文法中，1 型文法又称为 （） 文法 日期：2022-06-02 18:22:05 点击：195 好评：0
25. —Well. I do think the rabbit is a beautiful, gentle animal which can run very fast. —___. A. So it is B. So is it C. So does it D. So it does ...
[在线考核] First, it is important to recognize what kind of person you 日期：2022-06-02 18:21:17 点击：77 好评：0
22. First, it is important to recognize what kind of person you are and which special qualities make you different from . A. everyone else B. the other C. someone else D. the rest ...
[在线考核] Nobody believed his reason for being absent form the class _ 日期：2022-06-02 18:19:50 点击：101 好评：0
3. Nobody believed his reason for being absent form the class ___he had to meet his uncle at the air port. A. why B. that C. where D. because ...
[在线考核] — Which driver was to blame? — Why, ___! It was the child' 日期：2022-06-02 18:19:04 点击：190 好评：0
16. — Which driver was to blame? — Why, ___! It was the child's fault, clear and simple. He suddenly came out between two parked cars. A. both B. each C. either D. neither ...
[在线考核] I prefer a flat in Inverness to ___ in Perth, because I want 日期：2022-06-02 18:18:27 点击：166 好评：0
8. I prefer a flat in Inverness to ___ in Perth, because I want to live near my Mom's. A. one B. that C. it D. this ...
[在线考核] John was given the same suitcase his father and grandfather 日期：2022-06-02 18:17:41 点击：177 好评：0
24. John was given the same suitcase his father and grandfather ___ with them to school. A. took B. had taken C. were taking D. would take ...
[在线考核] A为n阶实对称矩阵，那么 日期：2022-06-02 18:14:46 点击：80 好评：0
10. A为n阶实对称矩阵，那么 A. A的特征值是实数。 B. A有n个线性无关的特征向量。 C. A可能有n+1个线性无关的特征向量。 D. A最多有n个线性无关的特征向量。 ...
[在线考核] 设A,B为n阶方阵，且AB=0,那么r(A)+r(B)的最大值 日期：2022-06-02 18:13:51 点击：176 好评：0
7. 设A,B为n阶方阵，且AB=0,那么r(A)+r(B)的最大值 A. n B. n+1 C. 2n D. 2n-1 ...
[在线考核] 向量组的最大无关组只有一个 日期：2022-06-02 18:12:56 点击：74 好评：0
2. 向量组的最大无关组只有一个 A. 错误 B. 正确 ...
[在线考核] 程序设计实际上是对象的设计 日期：2022-06-02 18:11:10 点击：159 好评：0
1. 程序设计实际上是对象的设计 A. 错误 B. 正确 ...
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